Article
An activity gradient of decapentaplegic is necessary for the specification of dorsal pattern elements in the Drosophila embryo.
Development (Cambridge, England) - 1 Feb 1993
Wharton K A, Ray R P, Gelbart W M
Abstract excerpt
decapentaplegic (dpp) is a zygotically expressed gene encoding a TGF-beta-related ligand that is necessary for dorsal-ventral patterning in the Drosophila embryo. We show here that dpp is an integral part of a gradient that specifies many different cell fates via intercellular signalling. There is a graded requirement for dpp activity in the early embryo: high levels of dpp activity specify the amnioserosa, while...
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